Review Request: Jpeg thumbnailer honouring jpeg rotation info

[Aurélien Gâteau]

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Looks good, but be careful with libexiv2: it throws exceptions if it has trouble reading images. You may want to use either libkexiv2 (from kdegraphics/libs) or copy Gwenview lighter wrapper (kdegraphics/gwenview/lib/exiv2imageloader.{h,cpp})

- Aurélien


On 2009-08-30 21:33:48, Jacopo De Simoi wrote:
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> (Updated 2009-08-30 21:33:48)
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> 
> Review request for kdelibs.
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> Summary
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> This patch makes the jpeg thumbnailer honor jpeg rotation infos stored in exif metadata. 
> The method is quite simple, although I don't like ifdefs, this time they seem to me to be necessary.
> It's my first nontrivial CMake modification; please check that I did not do something stupid there.
> Also, the orientationMatrix method could be ifdeffed if you feel it is necessary; I just didn't want to add another ifdef.
> 
> I am not sure if this is a good solution performance-wise; please comment on that if you have better ideas.
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> Diffs
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>   branches/KDE/4.3/kdebase/runtime/kioslave/thumbnail/CMakeLists.txt 1016603 
>   branches/KDE/4.3/kdebase/runtime/kioslave/thumbnail/jpegcreator.h 1016603 
>   branches/KDE/4.3/kdebase/runtime/kioslave/thumbnail/jpegcreator.cpp 1016603 
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> Diff: http://reviewboard.kde.org/r/1444/diff
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> Testing
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> Works good with a *clean* .thumbnails directory. Cached thumbnails are indeed a problem; not sure how to solve this issue yet.
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> Screenshots
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> Dolphin showing correctly rotated jpegs
>   http://reviewboard.kde.org/r/1444/s/192/
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> Thanks,
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> Jacopo
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